After taking her english final, natalie attempts to relax in her chair by meditating. she is attempting to reduce her heart and respiration rates, as well as her muscular tension. in this scenario, her physiological relaxation can be best attributed to the functioning of her nervous system. somatic central parasympathetic sympathetic

The correct answer is:  

Explanation

This system is the opposite of the sympathetic system which is a fight-to-fight response. The parasympathetic system is activated to reduce the anxiety and stress of a person. As the person is sitting, more blood circulates in the body organs than in the skeletal muscles resulting in positive psychological changes. It releases the hormones which lift the mood and cause a sense of relaxation.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.